The Polaris spacewalk looked a lot like the earliest NASA spacewalks during the Gemini missions in the late 1960s. Here are ...

The SpaceX Polaris Dawn mission may wind down this weekend. Here are all the ways its crew of four citizen astronauts has ...

This is the farthest humans have traveled since the last time humans walked on the moon more than 50 years ago.

Taking a ‘giant leap’ for commercial spaceflight, the crew of the Polaris Dawn mission conducted the world’s first private ...

NASA's Gemini 11 mission set an all-time spaceflight altitude record when two astronauts reached an orbit of 850 miles above ...

Polaris Dawn will also be the first to test SpaceX’s Starlink laser-based communication in space, which uses lasers to relay ...

A crew of four aboard a SpaceX capsule embarked on the world's first private spacewalk on Thursday, as an astronaut eased out ...

Boeing’s crew transport space capsule, the Starliner, returned to Earth without its ... from the kind of capsule technology ...

The crew of SpaceX's Polaris Dawn mission have now made history after venturing outside of their spacecraft for the first ...

Jared Isaacman, the billionaire leading the Polaris Dawn mission, and Sarah Gillis, a SpaceX engineer, exited and re-entered ...

After conducting the first-ever commercial spacewalk and traveling farther from Earth than anyone in more than half a century ...

Hampered last month by bad weather, launch tower problems, and issues with its ride from SpaceX, the Polaris Dawn mission is ...